<template>
  <div class="login-container" style="">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">男性护肤美妆平台</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-form-item prop="code">
        <span class="svg-container">
          <span icon="el-icon-search"></span>
        </span>
        <el-input
          ref="code"
          v-model="loginForm.code"
          placeholder="请输入验证码"
          type="text"
          name="code"
        />
        <span class="show-pwd" @click="getCode1">
          <img style="width: 90px; height: 38px" :src="codeUrl" />
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        class="browserButton"
        type="primary"
        style="width: 100%; height: 50px; margin-bottom: 30px; font-size: 22px"
        @click.native.prevent="handleLogin"
        >登录</el-button
      >
    </el-form>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";
import { getCode } from "@/api/login";

export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("Please enter the correct user name"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error("The password can not be less than 6 digits"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "admin",
        password: "123456",
        code: null,
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername },
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword },
        ],
        code: [
          { required: true, message: "请输入验证码", trigger: "blur" },
          { min: 4, max: 4, message: '长度在 4 个字符', trigger: 'blur' }
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
      codeUrl: null,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    this.getCode1();
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          console.log(this.loginForm);
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    getCode1() {
      getCode().then((res) => {
        this.codeUrl = res.data.image;
      });
    },
  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #4887ec;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  .el-input {
    display: inline-block;
    height: 50px;
    width: 70%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 10px;
      padding: 20px 10px 20px 10px;
      color: $light_gray;
      height: 50px;
      font-size: 20px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px #e3e3e3 inset !important;
        -webkit-text-fill-color: #4887ec !important;
      }
    }
  }

  .login_button {
    height: 50px;
    border-radius: 10px;
    font-size: 25px;
    box-shadow: 0.1em 0.1em 0.3em rgb(97, 96, 96);
    background-color: rgb(32, 120, 178);
    font-family: "宋体";
  }
  .login_button:hover {
    height: 50px;
    border-radius: 10px;
    font-size: 25px;
    box-shadow: 0.1em 0.1em 0.3em rgb(97, 96, 96);
    background-color: rgb(39, 82, 146);
    font-family: "宋体";
  }
  .itemLogin {
    color: #fff;
    font-size: 1px;
    background-color: rgb(32, 120, 178);
    border-radius: 5px;
  }

  .itemLogin:hover {
    color: #fff;
    font-size: 1px;
    background-color: rgb(39, 82, 146);
    border-radius: 5px;
  }

  .loginOther {
    position: absolute;
    right: 0;
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    color: #454545;

    box-shadow: 0.1em 0.1em 0.3em rgb(97, 96, 96);
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  height: 100%;
  width: 100%;
  background: url(../../assets/login/background_img.png);
  background-size: cover !important;
  background-repeat: no-repeat;
  overflow: hidden;
  position: relative;
  .login-left {
    position: absolute;
    left: 0;
    top: 0;
    width: 60%;
    height: 100%;
    img {
      width: 100%;
      height: 100%;
    }
  }
  .login-right {
    margin: 5% auto;
    position: absolute;
    right: 100px;
    top: 50px;
    width: 25%;
    height: 100%;
  }
  .login-form {
    position: relative;
    width: 40%;
    height: auto;
    border: 1px solid rgba(185, 184, 184, 0.5);
    border-radius: 20px;
    background-color: #fff;
    max-width: 100%;
    padding: 20px 35px 0;
    margin: 10% auto;
    overflow: hidden;
    opacity: 0.9;
    box-shadow: 0.1em 0.1em 0.3em rgb(97, 96, 96);
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 30px;
      font-family: "宋体";
      color: #4887ec;
      margin: 0px auto 40px auto;
      text-align: center;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: -50px;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
